Solar cells are an increasingly important source of renewable energy, but there’s still room for improvement. Stanford engineers have now developed a pyramid-shaped lens that can focus sunlight from ...

Haley Mast is a freelance writer, fact-checker, and small organic farmer in the Columbia River Gorge. She enjoys gardening, reporting on environmental topics, and spending her time outside ...

As the focus on a transition to renewable energy intensifies, wind farms are being touted as an optimal way to produce electricity. Wind energy is emissions-free (once the turbines are up and running) ...